P1745

P1745-TRANSMISSION LINE PRESSURE TOO HIGH FOR TOO LONG

For a complete wiring diagram, refer to the Wiring Information. Electrical Diagrams

Theory of Operation

This DTC is an informational DTC to inform the technician that transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts resulting from a Line Pressure DTC. The 42RLE Transmission is not designed to operate in open-loop line pressure control for an extended period time. This DTC is intended to protect the transmission. If the DTC sets, the transmission controller will place the transmission into limp-in mode.

- When Monitored:
Continuously with ignition on.

- Set Condition:
If the transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts.





Always perform the 42RLE Pre-Diagnostic Troubleshooting procedure before proceeding. Initial Inspection and Diagnostic Overview
CHECK FOR RELATED DTCS
1. With the scan tool, check for Transmission Line Pressure DTCs.

NOTE: In order to erase this DTC you must reset (erase) the VLP Shift Counter and the Output tooth counter. This is a single procedure in the scan tool called "Clear Variable Line Pressure (VLP) counters".

Repair

- Perform the appropriate diagnostic procedure.
Testing and Inspection